The factors of the number 5,614,440 are: 1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 59, 60, 61, 65, 78, 104, 118, 120, 122, 130, 156, 177, 183, 195, 236, 244, 260, 295, 305, 312, 354, 366, 390, 472, 488, 520, 590, 610, 708, 732, 767, 780, 793, 885, 915, 1180, 1220, 1416, 1464, 1534, 1560, 1586, 1770, 1830, 2301, 2360, 2379, 2440, 3068, 3172, 3540, 3599, 3660, 3835, 3965, 4602, 4758, 6136, 6344, 7080, 7198, 7320, 7670, 7930, 9204, 9516, 10797, 11505, 11895, 14396, 15340, 15860, 17995, 18408, 19032, 21594, 23010, 23790, 28792, 30680, 31720, 35990, 43188, 46020, 46787, 47580, 53985, 71980, 86376, 92040, 93574, 95160, 107970, 140361, 143960, 187148, 215940, 233935, 280722, 374296, 431880, 467870, 561444, 701805, 935740, 1122888, 1403610, 1871480, 2807220, 5614440.
If you add them up, you will get the total of 18,748,800.